Supply line apparatus

Abstract

A supply line apparatus for an electrical connection of a gradient coil unit in a magnetic resonance device includes a first supply line unit and a second supply line unit. The second supply unit is disposed at least partially coaxially to the first supply line unit. The first supply line unit and/or the second supply line unit has at least one conducting supply line element. The supply line apparatus includes an oscillation decoupling unit that has at least one oscillation-suppressing supply line element.

The invention claimed is: 
     
       1. A supply line apparatus for an electrical connection of a gradient coil unit in a magnetic resonance device, the supply line apparatus comprising:
 a first supply line unit, wherein the first supply line unit is an outer conductor of a coaxial cable; 
 a second supply line unit that is disposed at least partially coaxially to the first supply line unit, wherein the second supply line unit is an inner conductor of the coaxial cable; and 
 an oscillation decoupling unit comprising at least one oscillation-suppressing supply line element, 
 wherein the first supply line unit, the second supply line unit, or the first supply line unit and the second supply line unit comprise at least one conducting supply line element. 
 
     
     
       2. The supply line apparatus as claimed in  claim 1 , wherein the at least one conducting supply line element of the first supply line unit, the second supply line unit, or the first supply line unit and the second supply line unit is formed at least partially by the at least one oscillation-suppressing supply line element of the oscillation decoupling unit. 
     
     
       3. The supply line apparatus as claimed in  claim 2 , wherein the first supply line unit, the second supply line unit, or the first supply line unit and the second supply line unit comprise the at least one oscillation-suppressing supply line element and at least one further conducting supply line element, and
 wherein the at least one oscillation-suppressing supply line element is conductively coupled to the further conducting supply line element. 
 
     
     
       4. The supply line apparatus as claimed in  claim 3 , wherein the at least one oscillation-suppressing supply line element is connected in a fixed manner to the at least one further conducting supply line element. 
     
     
       5. The supply line apparatus as claimed in  claim 2 , wherein the at least one oscillation-suppressing supply line element is formed by an oscillation-suppressing cable element. 
     
     
       6. The supply line apparatus as claimed in  claim 2 , wherein the at least one oscillation-suppressing supply line element is formed by a spring element. 
     
     
       7. The supply line apparatus as claimed in  claim 2 , wherein the first supply line unit comprises at least one first oscillation-suppressing supply line element,
 wherein the second supply line unit comprises at least one second oscillation-suppressing supply line element, and 
 wherein the at least one first oscillation-suppressing supply line element is disposed at least partially concentrically to the at least one second oscillation-suppressing supply line element. 
 
     
     
       8. The supply line apparatus as claimed in  claim 2 , wherein the oscillation decoupling unit comprises at least one further oscillation-suppressing element. 
     
     
       9. The supply line apparatus as claimed in  claim 8 , wherein the at least one further oscillation-suppressing element is formed at least partially by an insulator. 
     
     
       10. The supply line apparatus as claimed in  claim 2 , wherein the oscillation decoupling unit comprises at least one sensor unit operable to detect a temperature. 
     
     
       11. The supply line apparatus as claimed in  claim 1 , wherein the first supply line unit, the second supply line unit, or the first supply line unit and the second supply line unit comprise the at least one oscillation-suppressing supply line element and at least one further conducting supply line element, and
 wherein the at least one oscillation-suppressing supply line element is conductively coupled to the further conducting supply line element. 
 
     
     
       12. The supply line apparatus as claimed in  claim 11 , wherein the at least one oscillation-suppressing supply line element is connected in a fixed manner to the at least one further conducting supply line element. 
     
     
       13. The supply line apparatus as claimed in  claim 1 , wherein the at least one oscillation-suppressing supply line element is formed by an oscillation-suppressing cable element. 
     
     
       14. The supply line apparatus as claimed in  claim 1 , wherein the at least one oscillation-suppressing supply line element is formed by a spring element. 
     
     
       15. The supply line apparatus as claimed in  claim 1 , wherein the first supply line unit comprises at least one first oscillation-suppressing supply line element,
 wherein the second supply line unit comprises at least one second oscillation-suppressing supply line element, and 
 wherein the at least one first oscillation-suppressing supply line element is disposed at least partially concentrically to the at least one second oscillation-suppressing supply line element. 
 
     
     
       16. The supply line apparatus as claimed in  claim 1 , wherein the oscillation decoupling unit comprises at least one further oscillation-suppressing element. 
     
     
       17. A supply line apparatus for an electrical connection of a gradient coil unit in a magnetic resonance device, the supply line apparatus comprising:
 a first supply line unit; 
 a second supply line unit that is disposed at least partially coaxially to the first supply line unit; and 
 an oscillation decoupling unit comprising at least one oscillation-suppressing supply line element, 
 wherein the first supply line unit, the second supply line unit, or the first supply line unit and the second supply line unit comprise at least one conducting supply line element, 
 wherein the oscillation decoupling unit comprises at least one further oscillation-suppressing element, and 
 wherein the at least one further oscillation-suppressing element is formed at least partially by an insulator. 
 
     
     
       18. A supply line apparatus for an electrical connection of a gradient coil unit in a magnetic resonance device, the supply line apparatus comprising:
 a first supply line unit; 
 a second supply line unit that is disposed at least partially coaxially to the first supply line unit; and 
 an oscillation decoupling unit comprising at least one oscillation-suppressing supply line element, 
 wherein the first supply line unit, the second supply line unit, or the first supply line unit and the second supply line unit comprise at least one conducting supply line element, and 
 wherein the oscillation decoupling unit comprises at least one sensor unit operable to detect a temperature. 
 
     
     
       19. A gradient coil unit comprising:
 a gradient coil; 
 an amplifier unit; and 
 a supply line apparatus comprising:
 a first supply line unit, wherein the first supply line unit is an outer conductor of a coaxial cable; 
 a second supply line unit that is disposed at least partially coaxially to the first supply line unit, wherein the second supply line unit is an inner conductor of the coaxial cable; and 
 an oscillation decoupling unit operable to reduce mechanical oscillations, the oscillation decoupling unit comprising at least one oscillation-suppressing supply line element, 
 
 wherein the first supply line unit, the second supply line unit, or the first supply line unit and the second supply line unit comprise at least one conducting supply line element, and 
 wherein the supply line apparatus connects the gradient coil to the amplifier unit in an electrically conducting manner for a signal transmission, a data transmission, or a signal and data transmission. 
 
     
     
       20. A magnetic resonance device comprising:
 a gradient coil; 
 an amplifier unit; and 
 a supply line apparatus comprising:
 a first supply line unit, wherein the first supply line unit is an outer conductor of a coaxial cable; 
 a second supply line unit that is disposed at least partially coaxially to the first supply line unit, wherein the second supply line unit is an inner conductor of the coaxial cable; and 
 an oscillation decoupling unit operable to reduce mechanical oscillations, the oscillation decoupling unit comprising at least one oscillation-suppressing supply line element, 
 
 wherein the first supply line unit, the second supply line unit, or the first supply line unit and the second supply line unit comprise at least one conducting supply line element, and 
 wherein the supply line apparatus connects the gradient coil to the amplifier unit in an electrically conducting manner for a signal transmission, a data transmission, or a signal and data transmission.